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Blog

Cosmetic Compliance: From Formula to MarketFrom legal classification to change control: a nine-layer breakdown of what cosmetic compliance actually requires, for OEM/ODM manufacturers and brand teams.
Why Phenoxyethanol Is the Default: A Practical Guide to Cosmetic PreservativesWhy phenoxyethanol became the default cosmetic preservative, and when antimicrobial spectrum, pH range, or regulation make an alternative worth it.
How We Think About Preservation: A Multi-Hurdle Approach to Formulation SafetyHow Enrich Lab thinks about cosmetic preservation: a multi-hurdle design across pH, water activity, packaging, and challenge testing, beyond dosage.
A Cosmetic Formula Is a System — A Practical Guide to Understanding Cosmetic FormulationA practical guide to cosmetic formulation as a system: formula types, the five layers, ingredient interactions, and a checklist for evaluating any formula.
MOQ: Where Does It Come From, and How Do You Make It Work for You?MOQ isn't a number a supplier picks at random. Here's where it actually comes from in personal care manufacturing, and what's adjustable when it's too high.
Cosmetic Testing Before Production: What's Required, What's Optional, and What It CostsWhat safety, stability, and compliance testing do EU and US indie skincare brands actually need before launch — and what does it typically cost?
Why Minimal Formulas Are Gaining Ground - And What's Actually Driving ItFragrance allergen rules are expanding and buyer standards are tightening faster than regulation requires. Here's what's actually behind simpler formulas.
CPNP, PIF, CPSR: What Actually Goes Into an EU Cosmetic RegistrationCPNP, PIF, and CPSR serve different roles in EU cosmetic compliance. Learn how they fit together and what documentation is commonly needed for each.
Less is More: The True Story of "Simplifying" a Body Wash FormulaA cationic deposition system was supposed to help actives stay on skin. Here's why removing it — and simplifying the whole formula — solved a stability problem.
How a Liquid Cosmetic Formula Becomes a Finished ProductHow we take a liquid cosmetic formula — a lotion, cream, or serum — from raw materials to a finished, tested product, including every checkpoint along the way.

Case Studies

From Gritty to Smooth: Solving the Azelaic Acid Suspension Problem Under a Malassezia-Safe ConstraintHow we formulated a Malassezia-safe 10% Azelaic Acid blemish cream, balancing active efficacy, cosmetic texture, and a strict ingredient exclusion list.
From Packaging Inquiry to Confirmed Order: A Custom 4-Pack Hand Soap Set for a US Amazon Gift BrandA US Amazon gift brand's inquiry for a custom 4-pack hand soap set turned into a confirmed 2,500-unit order in five weeks, from fragrance to packaging.
From Packaging Request to Formulation Support: A New Brand's First Private Label Hyaluronic Acid SerumHow a packaging inquiry grew into full formulation support for a new brand's first private label hyaluronic acid serum, from formula evaluation to launch.
From Ingredient Audit to SPF 42: Developing a Malassezia-Safe Mineral Sunscreen for a US Indie Skincare BrandA Malassezia-safe tinted mineral sunscreen: ZnO-only filtration, multi-tone tint iteration across skin tones, and ISO 24444 SPF 42 confirmed by Intertek.

Formulation Concepts

Odor-Neutralizing Hand WashA hand wash built to neutralize odors at the molecular level — from food prep to everyday use — using zinc ricinoleate and beta-cyclodextrin rather than fragrance alone.
Amino Acid Body WashA mild, sulfate-free body wash built around amino-acid surfactants, layered with skin-conditioning and renewal actives for daily use.
Exfoliating Body Scrub with PHA & Hyaluronic AcidA gentle physical scrub polishes away rough, dry skin while gluconolactone (PHA) and hyaluronic acid resurface and rehydrate, without the irritation of harsher acid-based scrubs.

Pages

HomeWe formulate and manufacture skincare for indie brands worldwide, with in-house FDA and CPNP compliance support. GMP, MoCRA, and ISO 9001 certified.
AboutEnrich Lab is the international brand of Enrich Enterprises Xiamen Limited, a formulation development partner for indie skincare brands in the US and EU, not a factory or trading company.
FormulationHow Enrich Lab develops skincare formulas: full custom, semi-custom, or stock formula, with category-specific formulation expertise and FDA/EU-compliant ingredient sourcing.
ProcessHow Enrich Lab manages OEM production from formulation handoff to delivery: 8 steps with IQC/IPQC/FQC/OQC quality control and clear brand-manufacturer responsibilities.
ComplianceHow Enrich Lab supports FDA 21 CFR, MoCRA, and EU Regulation 1223/2009 compliance for skincare brands: formula screening, documentation, and clear responsibility boundaries.